For the year ended December 31, 2020, cash provided by continuing operating activities consisted primarily of (i) our net income from continuing operations of RMB12,330.2 million (US$1,889.7 million), (ii) depreciation and amortization charges of RMB3,457.8 million (US$529.9 million), (iii) unrealized exchange loss of RMB3,102.5 million (US$475.5 million), (iv) share-based compensation cost of RMB2,663.5 million (US$408.2 million), (v) an increase in deferred revenue of RMB2,342.9 million (US$359.1 million), (vi) an increase in payables of RMB1,816.2 million (US$278.3million), including content costs, bonus and professional and technical charges, and (vi) an increase in tax payables of RMB1,126.6 million (US$172.7 million), partially offset by (A) fair value change of equity security investments of RMB720.6 million (US$110.4 million), (B) fair value changes of short-term investments of RMB580.7 million (US$89.0 million), (C) an increase in accounts receivable, prepayments and other current assets of RMB544.0 million (US$83.4 million), and (D) share of results on equity method investees and revaluating gain from previously held equity interest of RMB302.6 million (US$46.4 million).
For the year ended December 31, 2019, cash provided by continuing operating activities consisted primarily of (i) our net income from continuing operations of RMB13,468.6 million, (ii) depreciation and amortization charges of RMB2,613.8 million, (iii) share-based compensation cost of RMB2,404.1 million, (iv) an increase in deferred revenue of RMB883.7 million, (v) a decrease in inventories of RMB415.1 million, and (vi) impairment loss for investment of RMB177.6 million, partially offset by (A) an increase in accounts receivable, prepayments and other current assets of RMB1,499.9 million, (B) fair value change of equity security investments and other financial instruments of RMB751.7 million, and (C) fair value changes of short-term investments of RMB657.6 million.
For the year ended December 31, 2018, cash provided by continuing operating activities consisted primarily of (i) our net income from continuing operations of RMB8,616.1 million, (ii) share-based compensation cost of RMB2,471.7 million, (iii) depreciation and amortization charges of RMB2,060.1 million, (iv) an increase in deferred revenue of RMB1,757.9 million, (v) an increase in accounts payable and other liabilities of RMB641.8 million, including content fees, bandwidth cost, bonuses, marketing expenses and sales of game cards, (vi) an increase in taxes payable of RMB685.0 million, (vii) fair value change of equity security investments and other financial instruments of RMB248.2 million, and (viii) impairment loss for investment of RMB159.7 million, partially offset by (A) an increase in accounts receivable, prepayments and other current assets of RMB1,331.7 million, (B) fair value changes of short-term investments of RMB463.5 million, and (C) gains on disposal of long-term investments, business and subsidiaries of RMB213.3 million.
Continuing Investing Activities
Net cash used in continuing investing activities was RMB29,192.4 million (US$4,473.9 million), RMB21,304.5 million and RMB14,999.7 million for the years ended December 31, 2020, 2019 and 2018, respectively.
For the year ended December 31, 2020, cash used in continuing investing activities mainly consisted of (i) placement/rollover of matured time deposits of RMB91,518.8 million (US$14,025.9 million), (ii) purchase of short-term investments of RMB19,905.0 million (US$3,050.6 million), (iii) purchase of intangible assets, content and licensed copyrights of RMB2,234.9 million (US$342.5 million), (iv) investment in other equity investments and acquisition of subsidiaries of RMB2,062.0 million (US$316.0 million), (v) net change in short-term investments with terms of three months or less of RMB1,655.9 million (US$253.8 million), (vi) purchase of property, equipment and software of RMB1,055.6 million (US$161.8 million), and (vii) investment in equity investees of RMB345.7 million (US$53.0 million), partially offset by (A) proceeds from maturity of time deposits of RMB64,880.3 million (US$9,943.3 million), (B) proceeds from maturity of short-term investments of RMB24,126.2 million (US$3,697.5 million) and (C) proceeds from disposals of investment in equity investees, business and subsidiaries of RMB722.1 million (US$110.7 million).
For the year ended December 31, 2019, cash used in continuing investing activities mainly consisted of (i) placement/rollover of matured time deposits of RMB77,083.4 million, (ii) purchase of short-term investments of RMB22,370.0 million, (iii) purchase of intangible assets, content and licensed copyrights of RMB2,119.3 million, (iv) purchase of property, equipment and software of RMB1,209.5 million, (v) acquisitions of other long-term investments of RMB1,111.5 million, (vi) net change in short-term investments with terms of three months or less of RMB1,023.2 million, and (vii) investment in equity investees of RMB450.7 million, partially offset by (A) proceeds from maturity of time deposits of RMB54,381.6 million, (B) proceeds from maturity of short-term investments of RMB20,225.3 million, (C) proceeds received from discontinued operations of RMB9,031.1 million and (D) proceeds from disposals of investment in equity investees, business and subsidiaries of RMB406.7 million.